diff --git a/build-aux/Dockerfile b/build-aux/Dockerfile
index c7841d9..b060765 100644
--- a/build-aux/Dockerfile
+++ b/build-aux/Dockerfile
@@ -1,8 +1,13 @@
 FROM fedora:latest
 
-RUN dnf install -y meson python3-pip gtk4-devel gobject-introspection-devel \
-	libadwaita-devel python3-devel python3-gobject git diffutils xorg-x11-server-Xvfb
+RUN dnf install -y meson gcc g++ python3-pip gobject-introspection-devel \
+	python3-devel python3-gobject git diffutils xorg-x11-server-Xvfb \
+    appstream-devel "dnf-command(builddep)"
+RUN dnf build-dep -y gtk4 libadwaita
 RUN pip3 install furo mypy sphinx coverage black
 
+COPY install_deps.sh .
+RUN ./install_deps.sh
+
 # The version on PyPI is very old and doesn't install. Use the upstream package registry instead.
-RUN pip install pythonfuzz --extra-index-url https://gitlab.com/api/v4/projects/19904939/packages/pypi/simple
\ No newline at end of file
+RUN pip install pythonfuzz --extra-index-url https://gitlab.com/api/v4/projects/19904939/packages/pypi/simple
diff --git a/build-aux/install_deps.sh b/build-aux/install_deps.sh
new file mode 100755
index 0000000..381a57a
--- /dev/null
+++ b/build-aux/install_deps.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -e
+
+echo "===== Install GTK ====="
+git clone --depth=1 https://gitlab.gnome.org/GNOME/gtk.git
+cd gtk
+meson setup builddir \
+  --prefix=/usr \
+  -Dgtk_doc=true \
+  -Ddemos=false \
+  -Dbuild-examples=false \
+  -Dbuild-tests=false \
+  -Dbuild-testsuite=false
+ninja -C builddir install
+cd -
+rm -rf gtk
+
+echo "===== Install libadwaita ====="
+git clone --depth=1 https://gitlab.gnome.org/GNOME/libadwaita.git
+cd libadwaita
+meson builddir \
+  --prefix=/usr
+ninja -C builddir install
+cd -
+rm -rf libadwaita